<?php
/*
 +--------------------------------------------------------------------+
 | CiviCRM version 4.4                                                |
 +--------------------------------------------------------------------+
 | Copyright CiviCRM LLC (c) 2004-2013                                |
 +--------------------------------------------------------------------+
 | This file is a part of CiviCRM.                                    |
 |                                                                    |
 | CiviCRM is free software; you can copy, modify, and distribute it  |
 | under the terms of the GNU Affero General Public License           |
 | Version 3, 19 November 2007 and the CiviCRM Licensing Exception.   |
 |                                                                    |
 | CiviCRM is distributed in the hope that it will be useful, but     |
 | WITHOUT ANY WARRANTY; without even the implied warranty of         |
 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.               |
 | See the GNU Affero General Public License for more details.        |
 |                                                                    |
 | You should have received a copy of the GNU Affero General Public   |
 | License and the CiviCRM Licensing Exception along                  |
 | with this program; if not, contact CiviCRM LLC                     |
 | at info[AT]civicrm[DOT]org. If you have questions about the        |
 | GNU Affero General Public License or the licensing of CiviCRM,     |
 | see the CiviCRM license FAQ at http://civicrm.org/licensing        |
 +--------------------------------------------------------------------+
*/

/**
 *
 * @package CRM
 * @copyright CiviCRM LLC (c) 2004-2013
 * $Id$
 *
 */

/**
 * This class contains all the function that are called using AJAX
 */
class CRM_Event_Page_AJAX {

  /**
   * Function for building Event combo box
   */
  function event() {
    $name = trim(CRM_Utils_Type::escape($_GET['s'], 'String'));
    if (!$name) {
      $name = '%';
    }
    $whereClause = " title LIKE '$name%' AND ( civicrm_event.is_template IS NULL OR civicrm_event.is_template = 0 )";
    $includeOld = CRM_Utils_Request::retrieve('includeOld', 'Boolean', CRM_Core_DAO::$_nullObject, FALSE, TRUE);
    if (!$includeOld) {
      $whereClause .= " AND ( end_date IS NULL OR end_date >= NOW() )";
    }
    $query = "
      SELECT civicrm_event.title AS title,
        civicrm_event.id AS id,
        civicrm_address.city AS city,
        civicrm_event.start_date
      FROM civicrm_event
        LEFT JOIN civicrm_loc_block ON
          civicrm_event.loc_block_id = civicrm_loc_block.id
        LEFT JOIN civicrm_address ON
          civicrm_loc_block.address_id = civicrm_address.id
      WHERE
        {$whereClause}
      ORDER BY
        civicrm_event.title
";
    $dao = CRM_Core_DAO::executeQuery($query);
    $results = array();
    while ($dao->fetch()) {
      $fields = array();
      foreach (array('title', 'city') as $field) {
        if (isset($dao->$field)) {
          array_push($fields, $dao->$field);
        }
      }
      if (isset($dao->start_date)) {
        array_push($fields, CRM_Utils_Date::customFormat($dao->start_date));
      }
      $results[$dao->id] = implode(' - ', $fields);
    }
    CRM_Core_Page_AJAX::autocompleteResults($results);
  }

  /**
   * Function for building Event Type combo box
   */
  function eventType() {
    $name = trim(CRM_Utils_Type::escape($_GET['s'], 'String'));
    if (!$name) {
      $name = '%';
    }
    $whereClause = " v.label LIKE '$name%' ";

    $query = "
SELECT v.label ,v.value
FROM   civicrm_option_value v,
       civicrm_option_group g
WHERE  v.option_group_id = g.id
AND g.name = 'event_type'
AND v.is_active = 1
AND {$whereClause}
ORDER by v.weight";

    $dao = CRM_Core_DAO::executeQuery($query);
    $results = array();
    while ($dao->fetch()) {
      $results[$dao->value] = $dao->label;
    }
    CRM_Core_Page_AJAX::autocompleteResults($results);
  }

  /**
   * Function for building EventFee combo box
   */
  function eventFee() {
    $name = trim(CRM_Utils_Type::escape($_GET['s'], 'String'));

    if (!$name) {
      $name = '%';
    }

    $whereClause = "cv.label LIKE '$name%' ";

    $query = "SELECT DISTINCT (
cv.label
), cv.id
FROM civicrm_price_field_value cv
LEFT JOIN civicrm_price_field cf ON cv.price_field_id = cf.id
LEFT JOIN civicrm_price_set_entity ce ON ce.price_set_id = cf.price_set_id
WHERE ce.entity_table = 'civicrm_event' AND {$whereClause}
GROUP BY cv.label";
    $dao = CRM_Core_DAO::executeQuery($query);
    $results = array();
    while ($dao->fetch()) {
      $results[$dao->id] = $dao->label;
    }
    CRM_Core_Page_AJAX::autocompleteResults($results);
  }

  function eventList() {
    $listparams = CRM_Utils_Array::value('listall', $_REQUEST, 1);
    $events = CRM_Event_BAO_Event::getEvents($listparams);

    $elements = array(array('name' => ts('- select -'),
        'value' => '',
      ));
    foreach ($events as $id => $name) {
      $elements[] = array(
        'name' => $name,
        'value' => $id,
      );
    }

    echo json_encode($elements);
    CRM_Utils_System::civiExit();
  }

  /**
   * Function to get default participant role
   */
  function participantRole() {
    $eventID = $_GET['eventId'];

    $defaultRoleId = CRM_Core_DAO::getFieldValue('CRM_Event_DAO_Event',
      $eventID,
      'default_role_id',
      'id'
    );
    $participantRole = array('role' => $defaultRoleId);
    echo json_encode($participantRole);
    CRM_Utils_System::civiExit();
  }
}